diff --git a/manual/Tasks/ear.html b/manual/Tasks/ear.html
index 9afc0711e..081c752c5 100644
--- a/manual/Tasks/ear.html
+++ b/manual/Tasks/ear.html
@@ -243,6 +243,16 @@ attribute to a value other than its default, <q>add</q>.</strong></p>
       the <a href="zip.html#zip64">discussion in the zip task page</a></td>
     <td>No; default is <q>never</q></td>
   </tr>
+  <tr>
+    <td valign="top">modificationtime</td>
+    <td valign="top">Set all stored file modification times to the
+    given time. This can either be a number interpreted as
+    milliseconds since 1970-01-01T00:00:00Z or a string that can be
+    parsed as a ISO 8601 timestamp with optional timezone.
+      <em>Since Ant 1.10.2</em>.
+    </td>
+    <td align="center" valign="top">No</td>
+  </tr>
 </table>
 
 <h3>Parameters specified as nested elements</h3>
diff --git a/manual/Tasks/jar.html b/manual/Tasks/jar.html
index 555dab9a5..517de8c1d 100644
--- a/manual/Tasks/jar.html
+++ b/manual/Tasks/jar.html
@@ -305,6 +305,16 @@ e.g. decreasing the size by deleting 'same' classes from the versions-branches,
       the <a href="zip.html#zip64">discussion in the zip task page</a></td>
     <td>No; defaults to <q>never</q></td>
   </tr>
+  <tr>
+    <td valign="top">modificationtime</td>
+    <td valign="top">Set all stored file modification times to the
+    given time. This can either be a number interpreted as
+    milliseconds since 1970-01-01T00:00:00Z or a string that can be
+    parsed as a ISO 8601 timestamp with optional timezone.
+      <em>Since Ant 1.10.2</em>.
+    </td>
+    <td align="center" valign="top">No</td>
+  </tr>
 </table>
 
 <h3>Parameters specified as nested elements</h3>
diff --git a/manual/Tasks/war.html b/manual/Tasks/war.html
index e8bb71fba..635750112 100644
--- a/manual/Tasks/war.html
+++ b/manual/Tasks/war.html
@@ -241,6 +241,16 @@ attribute to a value other than its default, <q>add</q>.</strong></p>
       the <a href="zip.html#zip64">discussion in the zip task page</a></td>
     <td>No; default is <q>never</q></td>
   </tr>
+  <tr>
+    <td valign="top">modificationtime</td>
+    <td valign="top">Set all stored file modification times to the
+    given time. This can either be a number interpreted as
+    milliseconds since 1970-01-01T00:00:00Z or a string that can be
+    parsed as a ISO 8601 timestamp with optional timezone.
+      <em>Since Ant 1.10.2</em>.
+    </td>
+    <td align="center" valign="top">No</td>
+  </tr>
 </table>
 
 <h3>Parameters specified as nested elements</h3>
diff --git a/manual/Tasks/zip.html b/manual/Tasks/zip.html
index d3b11154c..e24de548e 100644
--- a/manual/Tasks/zip.html
+++ b/manual/Tasks/zip.html
@@ -256,6 +256,16 @@ extract an Ant generated ZIP archive.</p>
       the <a href="#zip64">discussion below</a></td>
     <td>No; default is <q>as-needed</q></td>
   </tr>
+  <tr>
+    <td valign="top">modificationtime</td>
+    <td valign="top">Set all stored file modification times to the
+    given time. This can either be a number interpreted as
+    milliseconds since 1970-01-01T00:00:00Z or a string that can be
+    parsed as a ISO 8601 timestamp with optional timezone.
+      <em>Since Ant 1.10.2</em>.
+    </td>
+    <td align="center" valign="top">No</td>
+  </tr>
 </table>
 
 <h3 id="encoding">Encoding of file names</h3>